Text and Data Mining valid from 2019-04-09
Received: 21 August 2018
Accepted: 28 March 2019
First Online: 9 April 2019
Ethics approval and consent to participate
: The clinical trial was approved by the Ethical Review Committee of the University of Rostock (A 2013–0083) and registered using ExternalRef removed (NCT02096562). Written informed consent was obtained from all participants prior to participation.
: Not applicable.
: The authors declare that they have no competing interests.
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